Home / 579,944.60-868,880.10-497,000.60

Finding the Fourth Proportional to 579,944.60, 868,880.10 and 497,000.60

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Solution

The fourth proportional to 579,944.60, 868,880.10 and 497,000.60 is: 744,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,944.60 : 868,880.10 = 497,000.60 : x
  2. Step 2: Convert to fraction form
    579,944.60/868,880.10 = 497,000.60/x
  3. Step 3: Cross multiply
    579,944.60x = 868,880.10 × 497,000.60
  4. Step 4: Simplify right side
    579,944.60x = 431,833,931,028.06
  5. Step 5: Solve for x
    x = 431,833,931,028.06/579,944.60
  6. Step 6: Final answer
    x = 744,612.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.